That’s not an information the doctors have at hand when they’re trying to figure out who should receive oxygen. (Also, it doesn’t matter what’s the utilitarian way to say, what matters is saying correct things—and utilitarianism happens to sometimes help with that.)
Can we say everyone likes Natalie, so saving her can help raise money to save other patients, is that an utilitarian way to say?
That’s not an information the doctors have at hand when they’re trying to figure out who should receive oxygen.
(Also, it doesn’t matter what’s the utilitarian way to say, what matters is saying correct things—and utilitarianism happens to sometimes help with that.)